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Service bulletins for the 2021 Ford F-150

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

644 on file from NHTSA, as of 2026-10-19.

By type

By component

By trouble code

Only bulletins with type: Other are shown. Show all

Bulletins, newest first
25M012026-08-04. Other. ENGINE; UNKNOWN OR OTHER. Customer Satisfaction Program 25M01 Certain 2021 Model Year F-150 3.0L Diesel Engine and 2020-2022 Model Year Super Duty with 6.7L Diesel Engine Nitrogen Oxide (NOx) Sensor Replacement, If Required After Dealer Evaluation Reference: Emissions Recalls 22E02, 22E04, 23E01, and 25E09
24N12 S22026-04-07. Other. ENGINE. Certain 2021 - 2022 Model Year Various Vehicles Engine Valve Inspection Test This submission includes : Technical Instructions Updated wording and description with additional photo.
25M042026-04-07. Other. FUEL/PROPULSION SYSTEM. Certain 2021-2023 Model Year F-150 HEV Vehicles Replacement of Exhaust Gas Heat Exchanger Coolant Spigot, If Required Owner Letters
25L022026-01-05. Other. UNKNOWN OR OTHER. Special Field Action 25L02 Certain 2017-2024 Model Year California Emissions-Certified Vehicles Transmission Control Assembly Reimbursement
25M042026-01-05. Other. FUEL/PROPULSION SYSTEM; UNKNOWN OR OTHER. Certain 2021-2023 Model Year F-150 HEV Vehicles Replacement of Exhaust Gas Heat Exchanger Coolant Spigot, If Required
25P282025-10-03. Other. UNKNOWN OR OTHER. Certain Model Year Multiple Vehicles Ford Pass/Lincoln Way Connectivity Concerns
SSM 541942025-09-08. Other. POWER TRAIN; UNKNOWN OR OTHER. Some 2021-2025 F-150 vehicles built on or before 30-Apr-2025 equipped with the 9.75" rear axle (minor feature code EGPAF) may exhibit a drive pinion seal leak. To confirm a vehicle is built with a minor feature code EGPAF, review the build information by double-clicking the vehicle identification number in the upper left-hand corner in the Professional Technician System (PTS). This may be due to the rear axle drive pinion seal. To correct this condition, replace the rear axle drive pinion seal with revised part number NL3Z-4676-A. Refer to Workshop Manual (WSM), Section 205-02. For claiming, use causal part number 4676 and labor operation 4676A.
24L032025-09-03. Other. ENGINE; UNKNOWN OR OTHER. Certain 2020-2023 Model Year Multiple Vehicle Line Trucks Equipped with Diesel Engines - Particulate Matter (PM) Sensor Reimbursement
24N12 -S12025-09-02. Other. UNKNOWN OR OTHER; ENGINE. NEW VEHICLE DEMONSTRATION / DELIVERY HOLD Safety Recall 24S55 – Supplement #1 Dated: August 15, 2025 Customer Satisfaction Program 24N12 Dated June 19, 2025 New! REASON FOR THIS SUPPLEMENT • Rental Vehicles: Added specification that long block replacement must be approved by SSSC for rental coverage to apply. • Labor Allowances: Added labor operation for photo submission on all vehicles and labor operation for borescope inspection. • SSSC Approval: Borescope photo submission required for long block approval. • Parts Handling Allowance: Added additional allowance claiming information for engine replacement. • Attachments: Technical Instructions have been added to the program. PROGRAM TERMS This program provides a no-cost, one-time repair (if needed) for an engine long block replacement for vehicles that completed the 24S55 inspection process. This program will be in effect for 10 years of service or 150,000 miles from the warranty start date of the vehicle, whichever occurs first. This is
25N052025-08-02. Other. ENGINE. Certain 2021-2023 Model Year F-150 HEV Vehicles Replacement of Exhaust Gas Heat Recovery Coolant Spigot In the affected vehicles, the Exhaust Gas Heat Recovery (EGHR) coolant spigot may develop a crack due to a weaker-than-intended coolant spigot having been used in a prior repair. As a result, coolant may leak out of the engine, and one or more warning lights, such as the Check Engine Light, may illuminate.
24N122025-07-02. Other. ENGINE. Certain 2021 - 2022 Model Year Various Vehicles Engine Valve Inspection Test
24N04- S12025-04-02. Other. UNKNOWN OR OTHER. Customer Satisfaction Program 24N04 – Supplement #1 Certain 2021-2023 Model Year F-150 HEV and 2022-2023 Model Year Maverick HEV Vehicles Replacement of Exhaust Gas Heat Recovery System If Failed
24N04 S12025-01-03. Other. UNKNOWN OR OTHER. Certain 2021-2023 Model Year F-150 HEV and 2022-2023 Model Year Maverick HEV Vehicles Replacement of Exhaust Gas Heat Recovery System If Failed
24B47 S12025-01-03. Other. UNKNOWN OR OTHER. Certain 2018 - 2024 Model Year Various Vehicles Update SYNC Software
23H07 - Script2024-10-28. Other. UNKNOWN OR OTHER. Ford Customer Relationship Center (CRC) phone call to Customers – Communication Script and FAQ relating to 23H07 Harvest program

The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.